Finding the Fourth Proportional to 13,380,489.25, 18,463,594.24 and 7,419,746.18
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Solution
The fourth proportional to 13,380,489.25, 18,463,594.24 and 7,419,746.18 is: 10,238,428.53
Step by Step Solution
- Step 1: Write the proportion equation
13,380,489.25 : 18,463,594.24 = 7,419,746.18 : x - Step 2: Convert to fraction form
13,380,489.25/18,463,594.24 = 7,419,746.18/x - Step 3: Cross multiply
13,380,489.25x = 18,463,594.24 × 7,419,746.18 - Step 4: Simplify right side
13,380,489.25x = 136,995,182,831,309.98 - Step 5: Solve for x
x = 136,995,182,831,309.98/13,380,489.25 - Step 6: Final answer
x = 10,238,428.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.